55
LC-26GA5E
LC-32GA5E
LC-26GA6E/LC-26BV6E
LC-32GA6E/LC-32BV6E
LC-37GA6E
No video output (7)
External input in trouble <PC INPUT>
Is "Ext. Sources menu "
NO
Set "Ext Sources menu " to PC INPUT
set properly ?
referring to the operation manual
YES
YES
Check SC 2801 and peripheral
NO
Are there synchro signal input at
Is there video on screen ?
components
pins (1) and (13) of IC 2205
NO
YES
Check IC 2205 , IC1803 and
NO
Are synchro signal output at
Are R,G,B signal input at pins
NO
Check SC 2801 and peripheral
peripheral components
pins (14) and (15) of IC 2205?
(6) (10) and (13) of IC 2203 ?
components
YES
YES
Check IC 2206 and peripheral
NO
Are synchro signal output at
components
pins (6) and (11) of IC 2206?
Are R,G,B signal output at pins
NO
Check IC 2203 , IC1803 and
YES
(7) (12) and (9) of IC 2203 ?
peripheral components
Check IC 2201 and peripheral
NO
Are there synchro signal input at
YES
components
pins (64) and (65) of IC 2201 ?
Are R,G,B signal input at pins
NO
Check IC 2201 and peripheral
(37) (43) and (50) of IC 2201 ?
components
Troubleshooting Table (continued)
<During e
xternal connection>
Dur
ing TUNER
reception:
No picture appears on EXT1-connected
monitor
.
Chec
klist:
1) Are input ter
minal on bac
k of
TV and "INPUT MODE" b
utton on the remote control set up correctly?........See the oper
ation man
ual and set
"INPUT MODE" appropr
iately
.
2) Is the specified de
vice selected f
or Signal
T
ype (item) in MENU-SETUP-A
V SETUP-EXT?...............................Set it to "VCR or D
VD or A
UT
O".
F
rom EXT1:
No picture appears on EXT2-connected
monitor
.
F
rom EXT1/EXT2:
No picture appears on EXT3-connected
monitor
.
YES
Is VIDEO
signal
sent to pin (19) of
SCAR
T1?
Chec
k e
xter
nal
connection or input
setting.
Is VIDEO
signal
sent to pin (19) of
SCAR
T2?
YES
Chec
k e
xter
nal
connection or input
setting.
Is VIDEO
signal
sent to pin (2) of
EXT3?
YES
Chec
k e
xter
nal
connection or input
setting.
NO
NO
NO
YES
Is VIDEO
signal
(VIN1) sent to pin
(66) of IC1001?
Chec
k the po
w
er
line of IC1001 and
per
ipher
al circuits
.
Is VIDEO
signal
(VIN2) sent to pin
(64) of IC1001?
YES
Chec
k the po
w
er
line of IC1001 and
per
ipher
al circuits
.
Is VIDEO
signal
(FR
ONT
A
V) sent
to pin (60) of
IC1001?
YES
Chec
k the po
w
er
line of IC1001 and
per
ipher
al circuits
.
NO
NO
NO
Chec
k that
VIDEO
signal is sent to
pin (20) of
SCAR
T1.
Chec
k that
VIDEO
signal is sent to
pin (20) of
SCAR
T2.
Chec
k that
VIDEO
signal is sent to
pin (3) of EXT3.
No picture (
8)
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